Definition: for all of your life Level: C2
他从小就是我终生的朋友。
He has been my ___lifelong friend since childhood.
教育是一个终身的过程，你永远不会停止学习。
Education is a ___lifelong process and you never stop learning.
学习一门新语言可能是一段终身的旅程。
Learning a new language can be a ___lifelong journey.
